坞底 dock floor
- 从它那深入坞底的根算起,直达那伸在云中的尖端,它有六十脱阿斯长,底的直径也有三尺。
Taking it from its root in the stocks to its tip in the clouds, it is sixty fathoms long, and its diameter at its base is three feet. - 本灯具专为大型船坞设计,既可作坞底或坞壁照明,又可与相应深潜器配套,作水下工作照明。
Specially designed for illuminating bottom or top of large shipyard. It is also fitted with deep dive apparatus as underwater illumination. This product fitted with relative electrical box (IP22).
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